package code.excel.jxl;

import java.io.File;
import java.io.IOException;

import jxl.Sheet;
import jxl.Workbook;
import jxl.read.biff.BiffException;
import jxl.write.Label;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;

/**
 * <p></p>
 *
 * @version 1.0
 * @author:huangwf
 * @date:2017/8/17 15:32
 * @history
 */

public class ExcelHandleJxlExample {


    /**
     * <p>读取Excel</p>
     *
     * @author:huangwf
     * @date:2017/8/17 15:37
     * @version 1.0
     * @history
     */
    public static void ReadExcelJxl(String filePath, String fileName) throws IOException, BiffException {

        File xlsFile = new File(filePath + fileName);
        // 获得工作簿对象
        Workbook workbook = Workbook.getWorkbook(xlsFile);
        // 获得所有工作表
        Sheet[] sheets = workbook.getSheets();
        // 遍历工作表
        if (sheets != null) {
            for (Sheet sheet : sheets) {
                // 获得行数
                int rows = sheet.getRows();
                // 获得列数
                int cols = sheet.getColumns();
                // 读取数据
                for (int row = 0; row < rows; row++) {
                    for (int col = 0; col < cols; col++) {
                        System.out.printf("%10s", sheet.getCell(col, row)
                                .getContents());
                    }
                    System.out.println();
                }
            }
        }
        workbook.close();
    }

    /**
     * <p>写入Excel</p>
     *
     * @author:huangwf
     * @date:2017/8/17 15:37
     * @version 1.0
     * @history
     */
    public static void wirteExcelJxl(String filePath, String fileName) throws IOException {

        File excelFile = new File(filePath + fileName);

        if (excelFile.exists()) {
            excelFile.createNewFile();
        }
        // 创建一个工作簿
        WritableWorkbook workbook = Workbook.createWorkbook(excelFile);
        // 创建一个工作表
        WritableSheet sheet = workbook.createSheet("jxl", 0);//sheet名称及列
        try {
            for (int row = 0; row < 10; row++) {
                for (int col = 0; col < 10; col++) {
                    // 向工作表中添加数据
                    sheet.addCell(new Label(col, row, "data" + row + col));
                }
            }
            workbook.write();
            workbook.close();
        } catch (WriteException e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {

        try {
            String path = "excel/out/excel/";
            String name = "jxl.xls";
            wirteExcelJxl(path, name);
            ReadExcelJxl(path, name);
        } catch (IOException e) {
            e.printStackTrace();
        } catch (BiffException e) {
            e.printStackTrace();
        }
    }
}
